Re: [PATCH v3 0/7] ARM: shmobile: shdma DT on sh73a0 and r8a7740

[Simon Horman <horms@verge.net.au>]

On Wed, Jun 26, 2013 at 04:40:49PM +0200, Guennadi Liakhovetski wrote:
> Recently shdma acquired DT support with a possibility to place multiple 
> compatible DMAC instances under a common DMA multiplexer DT node. This is 
> used to provide DMA support on r8a7740 / armadillo800eva. However there 
> are also SoCs with a single DMAC instance. We could still put it under a 
> (dummy) multiplexer DT node, or we can add support for such configurations 
> to the shdma driver and simplify DTs on such SoCs. Patch 1 in this 
> series adds support for such top-level DMAC DT nodes to shdma, which is 
> then used on sh73a0. This is why patches 1-3 are marked "RFC," if it is 
> preferred to not add this complexity to the driver and use a dummy DMA 
> multiplexer instead, patch 1 shall be dropped and patches 2 and 3 would 
> have to be reworked.

Hi Guennadi, can patches 4+ be reviewed and applied independently of
the RFC patches 1-3 ?

> Cc: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
> Cc: Vinod Koul <vinod.koul@intel.com>
> 
> Guennadi Liakhovetski (7):
>   DMA: shdma: also support single top-level DMAC DT nodes
>   ARM: shmobile: sh73a0: add support for the DMA0 controller in DT
>   ARM: shmobile: kzm9g-reference: add DMA channels to the MMCIF DT
>   ARM: shmobile: r8a7740: add MMCIF DMA definitions
>   ARM: shmobile: r8a7740: add DT nodes for three DMAC instance
>   ARM: shmobile: add SDHI and MMCIF interfaces to
>     armadillo800eva-reference
>   ARM: shmobile: armadillo800eva-reference: add DMA support for MMCIF
>     and SDHI
> 
>  .../boot/dts/r8a7740-armadillo800eva-reference.dts |   30 ++++++-
>  arch/arm/boot/dts/r8a7740.dtsi                     |   95 ++++++++++++++++++++
>  arch/arm/boot/dts/sh73a0-kzm9g-reference.dts       |    3 +
>  arch/arm/boot/dts/sh73a0.dtsi                      |   36 ++++++++
>  .../board-armadillo800eva-reference.c              |   36 +++++++-
>  arch/arm/mach-shmobile/include/mach/r8a7740.h      |    2 +
>  arch/arm/mach-shmobile/setup-r8a7740.c             |   22 +++++
>  arch/arm/mach-shmobile/setup-sh73a0.c              |    4 +
>  drivers/dma/sh/shdma-of.c                          |    5 +-
>  drivers/dma/sh/shdma.c                             |   16 ++++
>  include/linux/sh_dma.h                             |    5 +
>  11 files changed, 250 insertions(+), 4 deletions(-)
> 
> -- 
> 1.7.2.5
> 
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/
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